Base | Representation |
---|---|
bin | 11101100000000… |
… | …11111110110010 |
3 | 122020200022001220 |
4 | 32300003332302 |
5 | 1001323331432 |
6 | 40320205510 |
7 | 6063355512 |
oct | 1660037662 |
9 | 566608056 |
10 | 247480242 |
11 | 117772629 |
12 | 6aa69896 |
13 | 3c36c819 |
14 | 24c21842 |
15 | 16ad772c |
hex | ec03fb2 |
247480242 has 16 divisors (see below), whose sum is σ = 498240192. Its totient is φ = 81946800.
The previous prime is 247480241. The next prime is 247480243. The reversal of 247480242 is 242084742.
It is an interprime number because it is at equal distance from previous prime (247480241) and next prime (247480243).
It is a super-2 number, since 2×2474802422 = 122492940360757128, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (247480241) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135673 + ... + 137484.
It is an arithmetic number, because the mean of its divisors is an integer number (31140012).
Almost surely, 2247480242 is an apocalyptic number.
247480242 is an abundant number, since it is smaller than the sum of its proper divisors (250759950).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
247480242 is a wasteful number, since it uses less digits than its factorization.
247480242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 273313.
The product of its (nonzero) digits is 28672, while the sum is 33.
The square root of 247480242 is about 15731.5047595581. The cubic root of 247480242 is about 627.8369101292.
The spelling of 247480242 in words is "two hundred forty-seven million, four hundred eighty thousand, two hundred forty-two".
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